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Finding the Fourth Proportional to 185,059.89, 277,532.46 and 66,715.92

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Solution

The fourth proportional to 185,059.89, 277,532.46 and 66,715.92 is: 100,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,059.89 : 277,532.46 = 66,715.92 : x
  2. Step 2: Convert to fraction form
    185,059.89/277,532.46 = 66,715.92/x
  3. Step 3: Cross multiply
    185,059.89x = 277,532.46 × 66,715.92
  4. Step 4: Simplify right side
    185,059.89x = 18,515,833,398.76
  5. Step 5: Solve for x
    x = 18,515,833,398.76/185,059.89
  6. Step 6: Final answer
    x = 100,053.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.